Iowa, 1999

Hail in Iowa, May 16, 1999

May 16, 1999 · NWS DMX · 1 event in 1 county or zone

Thunderstorms developed in a zone of warm air advection taking place over Iowa. Many of the storms produced marble size hail and gusty winds, however there were few reports of severe weather.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
$1,000
Crop damage
None recorded
Events
1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS DMX wrote it up.

Thunderstorms developed in a zone of warm air advection taking place over Iowa. Many of the storms produced marble size hail and gusty winds, however there were few reports of severe weather. One storm dropped nickel size hail on the town of Indianola as it passed overhead, causing spotty light damage.

The radar

The Des Moines radar (KDMX), 42 km away, was scanning. The volume nearest the first event began at 09:11 UTC.

Open the radar archive at this moment

Event by event

1 hail. Local standard time, as filed.

Hail, Warren

When
May 16, 3:11 AM CST
Where
Warren County, Indianola
Measured
0.88 in hail
Property damage
$1,000
Reported by
UNKNOWN
Coordinates
41.370, -93.570

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Iowa in 1999Every state in 1999This day in weather historyWarnings in Iowa, May 1999

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 5693358.